5,633 homes were sold through the Northwest Multiple Listing Service (NWLS) in Thurston County in 2017, with an average sale price of $308,323. Olympia has been the jurisdiction with the highest average home sale price since 2000 except in 2004 when it was narrowly passed by Tumwater.

2017 marked the fifth year of consecutive growth in Thurston County's average home sale price, and was the first year since 2009 that the average home sale price in Thurston County exceeded $300,000 in 2017 inflation-adjusted dollars. The 2017 average home sale price is comparable to the average home sale price in 2005, before the recession.

Three-bedroom houses accounted for about 57% of the total home sales in 2017, with an average price of $291,068. Four-bedroom homes accounted for 28% of home sales, with an average price of $349,376.

2017 had the lowest average days to sale since at least 2000, at 38 days. 3-bedroom homes had the lowest average days to sale out of 1-2, 3, 4, and 5+ bedroom homes, at 31 days.

Homes in Tumwater, Olympia, and Lacey sold the fastest, with homes on the market for an average of 34, 37, and 37 days respectively.